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Question about Uniden GMR-1035-2 2-Way Radio

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Uniden GMR-1035 2-way radion, with advertised 10 mile range

Radio range with fresh batteries, line of sight, less than one/half mile!!! Our ancient Motorola radios (advertised 2 mile range) actually operates at 2 miles! What can be done with the Uniden???

Posted by kkaufman7 on

  • Anonymous Dec 06, 2008

    I have the GMR-1035-2 that I bought a few monthes ago, just had the opportunity to use them...battery life is terribly short..2-3 hours,...what the heck. Do I just throw these away ,buy a better brand??? Kevin-MN


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Steve Allison

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The range estimates are inflated by every manufacturer I am familiar with.
Even with line-of-sight transmission, I have found none that meet the claimed distance under common circumstances.

If you have a friend who is a radio amatuer, you might let him crack the case on one to see if there are any adjustments that could be improved; an 'old dog' would be able to locate the right area in which to look and perhaps tweak something to improve either transmitted power (he should have an instrument that would monitor it for adujstment if not for actual measurement) or improve receiver sensitivity.

The factory is only concerned with function and cost, not performance.

That the Motorola meets its stated range doesn't surprise me; they were long one of the most ethical companies around.
I'm not sure of their honesty today since profit (or even survival) has become more important.

Posted on Jul 05, 2008

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Related Questions:


I have a uniden GMR 4060-2CKHS they only work if we are the house together It says they will work for 40 miles. Is there anything I can check to make sure everything is being done?

No. They say up to 40 miles. Unfortunately, it is bunk. Those are a two watt radio. In perfect conditions with clear sky and one person on top of a mountain and the other clearly in the open, it is slightly possible to get 40 miles. But remember, the earth is round, not flat. Every 22.5 miles the earth "curves" making flat, straight communication impossible. What is the minimum distance you will accept and determine if that is enough before returning them. Even moving up to business band 5 watt handheld radios will never get a long range. I use mine as an wireless intercom. I never expect even two miles.This applies to any brand, so don't be fooled.

What is the range

VHF/UHF is line of sight. About 30 - 60 miles from a tower (shorter if buildings or hills are in between). Less on the ground, 5 - 10 miles on relative flat ground without obstructions.

How to get maximum range

Have a fully charged good battery. Hold your radio upright, perpendicular to the ground, when transmitting. (Tilting to the side can significantly reduce range.) Wear your radio higher on your body if carrying the radio. Height and placement of antenna has much to do with good range. Talking line-of-sight in perfect conditions a portable radio will get approx. 2 mi., talking in and out of a building you may get 1/4 to 1/2 mi. Obstacles inbetween the two radios will reduce range, so each location may differ. From a mountaintop you may be able to talk many miles into a valley below. Your radio can basically talk as far as the antenna can see.


You can follow the link below for a complete listing of FRS/GMRS frequencies.


Bill B

Is there any place online I can get the instructions? I have misplaced mine and don't remember much of anything!

Certainly -- here's a link to the operating instructions for your radios:


1/2 mile range max

Advertising on these models is much like reading about a car's MPG, it must be in perfect conditions. Handheld radios generally will talk "radio-to-radio", "line-of-sight" up to 2 miles. Once you start putting obstacles in between the radios you will shorten your range. Even the body fluid of the person wearing the radio on their hip will absorb some of the range. Talking from inside of a building to outside you might expect 1/4 to 1/2 mile. Good rule of thumb: Height and placement of your antenna determines range. The higher the antenna, the further you can talk. If you are talking from on a mountain top to a valley below you can talk as far as you can see. Increasing Range: Hold your radio perpendicular to the ground, not slanted like you would hold a phone. This problem alone could decrease your range 2/3s. Face the direction you are wanting to communicate. Don't shout CB-style, shouting reduces talk-range. Lastly, use good batteries. This will ensure your transmit capability.

One will not keep batteries

The unit is drawing too much power.

Take the unit apart and look for any resistors that are bubbled clean any contact points in the unit with contact cleaner or the highest pcnt rubbing alchohol you can find let the unit dry completely (hair Dryer etc() then try if it still fails. One of the components in the unit failed and I would recommend replacing it.

They are not working

First,we call this transciever as SRRS (Short Range Radio Service), it can communicate within 500 meters open range or no obstruction,now if the unit can't communicate each other within the range ,i would suggest to sent it to uniden service center......
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